Docker outline

app/model/containers.py

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+from dataclasses import dataclass, field
+from datetime import datetime
+
+from docker.models.containers import Container
+
+
+@dataclass
+class SimpleContainer:
+  name: str
+  image: str
+  status: str
+  health: str
+  created: datetime
+
+  @staticmethod
+  def from_container(container: Container):
+    created = datetime.strptime(container.attrs['Created'].split('.')[0], '%Y-%m-%dT%H:%M:%S')
+    return SimpleContainer(
+      name=container.name,
+      image=container.image.tags[0],
+      status=container.status,
+      health=container.health,
+      created=created
+    )
+
+
+@dataclass
+class Compose:
+  directory: str
+  containers: list[SimpleContainer] = field(default_factory=list)
+
+  @property
+  def last_modified(self):
+    return max(self.containers, key=lambda c: c.created).created
+
+
+@dataclass
+class Tree:
+  composes: dict[str, Compose] = field(default_factory=dict)
+  containers: list[SimpleContainer] = field(default_factory=list)

app/services/containers.py

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+import docker
+from docker.models.containers import Container
+
+from app.model.containers import Tree, Compose, SimpleContainer
+
+
+class DockerService:
+  def __init__(self):
+    self._client = docker.from_env()
+    self._tree = self._init_tree()
+
+  def _init_tree(self) -> Tree:
+    tree = Tree()
+    container: Container
+    for container in self._client.containers.list():
+      labels = container.labels
+      working_dir = labels.get("com.docker.compose.project.working_dir")
+      if working_dir:
+        if tree.composes.get(working_dir) is None:
+          tree.composes[working_dir] = Compose(working_dir)
+        tree.composes[working_dir].containers.append(SimpleContainer.from_container(container))
+      else:
+        tree.containers.append(SimpleContainer.from_container(container))
+    return tree
+
+  @property
+  def tree(self) -> Tree:
+    return self._tree